Giant cell arteritis is also known as cranial arteritis or temporal arteritis. This is a medical condition involving inflammation in the arteries situated in the temple area. This leads to pain and tenderness in the temple area, where the hardened arteries can be felt.
[edit on Wikidata] An opportunistic infection is an infection caused by pathogens (bacteria, viruses, fungi, or protozoa) that take advantage of an opportunity not normally available, such as a host with a weakened immune system, an altered microbiota (such as a disrupted gut flora), or breached integumentary barriers.
The Basics of Opportunistic Infections. OIs can occur all over the body and be relatively localized (meaning they affect only one part of the body) or systemic or. (meaning they spread to other parts of the body and other body systems). Whether and when you become susceptible to OIs is often related to your CD4 count.